Effect of Aging Treatment on the Thermal Stability and Properties of Cu-10Fe-3Ag In Situ Composites

Abstract:

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The effects of aging treatment on the microstructure and mechanical properties of Cu-10Fe-3Ag in-situ composite were investigated. And the mechanism of Ag element was analyzed during aging treatment. The results show that: presence of Ag can accelerate γ-Fe precipitation from in the Cu matrix, but also reduces the thermal stability of Fe fibers. As the aging temperature increasing, the hardness and conductivity of Cu-10Fe-3Ag in-situ composite increase at first and then decrease. The conductivity of Cu-10Fe-3Ag in-situ composite can reach 58.4% IACS when aging for 6h at 475 °C. The Fractures of the alloy are all ductile rupture and the dimples are smaller with the aging temperature increasing.

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Periodical:

Edited by:

Helen Zhang and David Jin

Pages:

343-346

DOI:

10.4028/www.scientific.net/AMR.366.343

Citation:

Y. Li et al., "Effect of Aging Treatment on the Thermal Stability and Properties of Cu-10Fe-3Ag In Situ Composites", Advanced Materials Research, Vol. 366, pp. 343-346, 2012

Online since:

October 2011

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$35.00

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